在AEM Forms中使用組合器服務 using-assembler-service-in-aem-forms
本文提供的資產可讓您示範將多個PDF檔案拖放到瀏覽器中,以及將組合的pdf檔案儲存到檔案系統的功能。 以下是servlet的程式碼,它會組合使用瀏覽器上傳的pdf檔案。
protected void doPost(SlingHttpServletRequest request, SlingHttpServletResponse response) {
log.debug("In Assemble Uploaded Files");
Map<String, Object> mapOfDocuments = new HashMap<String, Object>();
final boolean isMultipart = org.apache.commons.fileupload.servlet.ServletFileUpload.isMultipartContent(request);
DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = null;
try {
docBuilder = docFactory.newDocumentBuilder();
} catch (ParserConfigurationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
org.w3c.dom.Document ddx = docBuilder.newDocument();
Element rootElement = ddx.createElementNS("http://ns.adobe.com/DDX/1.0/", "DDX");
ddx.appendChild(rootElement);
Element pdfResult = ddx.createElement("PDF");
pdfResult.setAttribute("result", "GeneratedDocument.pdf");
rootElement.appendChild(pdfResult);
if (isMultipart) {
final java.util.Map<String, org.apache.sling.api.request.RequestParameter[]> params = request
.getRequestParameterMap();
for (final java.util.Map.Entry<String, org.apache.sling.api.request.RequestParameter[]> pairs : params
.entrySet()) {
final String k = pairs.getKey();
final org.apache.sling.api.request.RequestParameter[] pArr = pairs.getValue();
final org.apache.sling.api.request.RequestParameter param = pArr[0];
try {
if (!param.isFormField()) {
final InputStream stream = param.getInputStream();
log.debug("the file name is " + param.getFileName());
log.debug("Got input Stream inside my servlet####" + stream.available());
com.adobe.aemfd.docmanager.Document document = new Document(stream);
mapOfDocuments.put(param.getFileName(), document);
org.w3c.dom.Element pdfSourceElement = ddx.createElement("PDF");
pdfSourceElement.setAttribute("source", param.getFileName());
pdfSourceElement.setAttribute("bookmarkTitle", param.getFileName());
pdfResult.appendChild(pdfSourceElement);
log.debug("The map size is " + mapOfDocuments.size());
} else {
log.debug("The form field is" + param.getString());
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
com.adobe.aemfd.docmanager.Document ddxDocument = documentServices.orgw3cDocumentToAEMFDDocument(ddx);
Document assembledDocument = documentServices.assembleDocuments(mapOfDocuments, ddxDocument);
String path = documentServices.saveDocumentInCrx("/content/ocrfiles", assembledDocument);
JSONObject jsonObject = new JSONObject();
try {
jsonObject.put("path", path);
response.setContentType("application/json");
response.setHeader("Cache-Control", "nocache");
response.setCharacterEncoding("utf-8");
PrintWriter out = null;
out = response.getWriter();
out.println(jsonObject.toString());
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
若要讓此功能在您的AEM伺服器上運作
- 下載 AssembleMultipleFiles.zip 至您的本機系統。
- 使用上傳並安裝套件 封裝管理員
- 下載自訂檔案服務套裝
- 下載 使用服務使用者套件進行開發
- 使用部署和啟動套件組合 felix網頁主控台
- 將瀏覽器指向 AssemblePdf.html
- 拖放多個PDF檔案的檔案
NOTE
請確定您的AEM Forms安裝已完成。 您的所有套件組合都必須處於作用中狀態。
請確定您已新增 — 開機委派RSA和BouncyCastle程式庫(如本中所述) 安裝AEM Forms
此示範的注意事項
-
程式碼不會處理XFA型PDF檔案
-
請確定您只拖放PDF檔案
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